Introduced in 2020, the HD PENTAX-D FA 70-210mm F4 ED SDM WR is a much lighter option for a telephoto zoom. The new lens weighs in at just 891 g (28.9 oz), whereas the D FA* F2.8 lens weighs in at 1755 g (61.9 oz). To bring the weight down the new lens is one stop slower than the D FA*.
While this lens is designed for the 24x36mm full-frame format it can also be used on cameras with the APS-C sensor format. The lens features rounded diaphragm blades for smooth Bokeh and is aimed at shooting sports, wild life and distant landscapes.
The key features are:
* Weather resistant (WR)
* HD coating
* SP coating of the front element
* Three ED lens elements
* Internal focusing and internal zoom
* Quick-shift
* Focus Range Limiter (0.95cm - 2m and 2m to infinity)